Acclaimed veena player and composer Rajhesh Vaidhya is set to take the stage at ‘Mainstage Fridays’ this week. Featuring Malavika (vocals), Marshall Robinson (keys), Sai Hari (percussion), Kumaran (drums) and Derick (bass), the night promises everything from classical fusion to popular movie songs. Entry free. 9 pm at Bay 146. Details: 097109-76876.